WILKES-BARRE — Wilkes-Barré Preservation Society executive director Tony Brooks will host the annual spring architectural walking tour of downtown Wilkes-Barre at 11 a.m. Saturday, May 17. The tour will begin at the John Wilkes and Isaac Barré monument on the West Market Street side of Public Square. The tour will explore three centuries of Wilkes-Barre architecture in one square mile.